/* Giao diện nền dùng chung: reset + trang lỗi 404. Mọi giao diện khác nằm ở sanitec*.css. */
:root{--blue:#073a7d;--navy:#041d43;--red:#d30b15;--text:#0a2c59;--muted:#66768b;--line:#dfe6ef;--bg:#f5f8fc;--r:14px;--max:1360px}
*{box-sizing:border-box}
body{margin:0;font-family:Manrope,Arial,sans-serif;color:var(--text);background:#fff}
img{display:block;max-width:100%}
a{text-decoration:none;color:inherit;cursor:pointer}
.err-container{width:min(var(--max),calc(100% - 64px));margin:auto}
.err-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 20px;border-radius:7px;font-weight:800;font-size:12px;letter-spacing:.01em}
.err-red{background:var(--red);color:#fff}
.err-eyebrow{font-size:11px;font-weight:800;letter-spacing:.08em;color:#ef3a42}
.err-section{padding:76px 0}
@media(max-width:640px){
.err-container{width:min(var(--max),calc(100% - 30px))}
}
.err-hero{background:linear-gradient(120deg,#031c43,#0a427f);color:#fff;padding:54px 0 48px}
.err-hero h1{font-size:46px;line-height:1.02;letter-spacing:-.03em;margin:12px 0 10px}
.err-hero p{max-width:680px;color:#c8d6e8;font-size:14px;margin:0}
.err-crumbs{font-size:11px;color:#9fb6d2;margin-bottom:6px}
.err-crumbs a:hover{color:#fff}
.err-crumbs span{margin:0 8px}
.err-crumbs em{font-style:normal;color:#fff}
@media(max-width:640px){
.err-hero h1{font-size:34px}
}